SANATING HOSE FOR PIPE LINES

摘要

FIELD: erection and repair of pipe lines. SUBSTANCE: sanating hose is made in form of envelope made from laminated structure-felt or fabric duplicated by layer of thermoplastic material or rubber mixture and secured by longitudinal seam which is strengthened on the outside by means of screen plate or thermoplastic material tape. EFFECT: enhanced efficiency. 16 cl, 1 tbls